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The Winspan pressure washer pump features a high-strength forged brass pump head and precision pistons, delivering consistent, reliable performance. As a direct-source manufacturer with a 30,000-square-meter production facility, Winspan eliminates intermediaries and supports bulk procurement, offering you competitive factory‑price terms and faster delivery.
Provide the pump body with flange, hollow shaft or solid shaft interface in accordance with international standards for equipment manufacturers, which is convenient for rapid integration and reduces the technical difficulty of assembly man-hours.
Provide a rich range of product specifications and sufficient spare parts reserves, provide reliable supply chain and quality assurance support, to help distributors quickly seize the end market.
Provide customized system pump sets with specific flow and pressure for heavy industry cleaning projects such as municipal sanitation, ship sand cleaning and pipeline dredging.
Provide high-pressure pump spare parts with standard specifications and can completely replace the mainstream brands in the market, ensure the adaptability of after-sales maintenance and reduce the maintenance cycle of customers.
It employs a 99%‑purity solid ceramic plunger with a surface roughness of less than 0.1 micrometer, reducing frictional resistance by 30% and more than doubling the service life of the seals.
The pump head is precision-forged from aviation-grade HPb59-1 brass, offering a 40% increase in tensile strength and effectively preventing cracking or deformation under high-pressure conditions.
The inlet and outlet valves are equipped with 303 stainless steel valve stems and seats, with an opening pressure tolerance kept within ±0.05 bar to ensure no sticking or leakage even under high-frequency operation.
The die-cast aluminum alloy housing, finished with anodizing, offers 25% better heat dissipation than conventional materials, effectively preventing mechanical wear caused by excessive oil temperatures.
Equipped with wear-resistant double water seal and high-quality skeleton oil seal, the temperature resistance can reach 80 degrees Celsius, ensuring that the equipment has no oil leakage or water seepage within 500 hours of continuous operation.
Built-in heavy-duty ball bearings or tapered roller bearings, the axial load bearing capacity increased by 35%, significantly reducing the abnormal vibration and noise of the pump body during operation.
| model | Work stress bar | Rated flow rate (L/min) | Matching power kW | Shaft diameter (mm) | Speed RPM |
| WS-1509 | 150 | 9 | 2.2 | twenty four | 1450/2800 |
| WS-2015 | 200 | 15 | 5.5 | 28 | 1450 |
| WS-2515 | 250 | 15 | 7.5 | 28 | 1450 |
| WS-3517 | 350 | 17 | 11.0 | 28 | 1450 |
| WS-5030 | 500 | 30 | 30.0 | 35 | 1450 |
| WS-10040 | 1000 | 40 | 75.0 | 42 | 1450 |
| WS-28020 | 2800 | 20 | 110.0 | 50 | 1000 |
The high-pressure washer pump produced by winspan shows significant technical advantages in structural rigidity and heat dissipation management. Compared with similar conventional pump bodies, we use an integral heavy-duty crankcase and a crankshaft that has undergone severe hardening treatment, with an optimized design of the hydraulic end channel, which greatly improves the overall pressure resistance and running stability of the pump body. In addition, winspan attention is paid to the full life cycle performance of critical sealing systems. Through our self-optimized dual water-sealed cooling circulation circuit, combined with high-purity solid ceramic plungers, the continuous trouble-free running time of the pump body has been improved by at least 30% over the same industry standard.
The winspan adopts mirror-polished solid ceramic plunger and self-lubricating sealing components to effectively prevent the pump body from dripping due to water particle wear.
The winspan optimizes the heat sink area and increases the amount of oil in the crankcase to ensure that the oil temperature of the pump body does not exceed the normal standard during continuous operation.
The winspan is equipped with a self-cleaning high-strength stainless steel one-way valve to prevent mineral scaling and ensure stable output water pressure.
Before starting up, check the oil level of the crankcase to the center line of the oil sight mirror, and replace the special lubricating oil after 50 hours of operation for the first time.
It is forbidden to idle without water, and the connected water flow speed and water supply must be greater than 1.5 times of the rated flow of the high-pressure pump.
Turn on the spray gun before starting, so that the water flow naturally out of the pump to eliminate excess air, and then start the power source.
A high-density filter of not less than 50 meshes must be installed at the water inlet, and the filter screen must be removed and cleaned every 30 hours of operation.
The Winspan pressure washer pump features a high-strength forged brass pump head and precision pistons, delivering consistent, reliable performance. As a direct-source manufacturer with a 30,000-square-meter production facility, Winspan eliminates intermediaries and supports bulk procurement, offering you competitive factory‑price terms and faster delivery.
50 to 2,800 bar
Working pressure
3 to 1,000 liters per minute
Flow range
24mm or 28mm
Shaft diameter
It employs a 99%‑purity solid ceramic plunger with a surface roughness of less than 0.1 micrometer, reducing frictional resistance by 30% and more than doubling the service life of the seals.
The pump head is precision-forged from aviation-grade HPb59-1 brass, offering a 40% increase in tensile strength and effectively preventing cracking or deformation under high-pressure conditions.
The inlet and outlet valves are equipped with 303 stainless steel valve stems and seats, with an opening pressure tolerance kept within ±0.05 bar to ensure no sticking or leakage even under high-frequency operation.
The die-cast aluminum alloy housing, finished with anodizing, offers 25% better heat dissipation than conventional materials, effectively preventing mechanical wear caused by excessive oil temperatures.
Equipped with wear-resistant double water seal and high-quality skeleton oil seal, the temperature resistance can reach 80 degrees Celsius, ensuring that the equipment has no oil leakage or water seepage within 500 hours of continuous operation.
Built-in heavy-duty ball bearings or tapered roller bearings, the axial load bearing capacity increased by 35%, significantly reducing the abnormal vibration and noise of the pump body during operation.
| model | Work stress bar | Rated flow rate (L/min) | Matching power kW | Shaft diameter (mm) | Speed RPM |
| WS-1509 | 150 | 9 | 2.2 | twenty four | 1450/2800 |
| WS-2015 | 200 | 15 | 5.5 | 28 | 1450 |
| WS-2515 | 250 | 15 | 7.5 | 28 | 1450 |
| WS-3517 | 350 | 17 | 11.0 | 28 | 1450 |
| WS-5030 | 500 | 30 | 30.0 | 35 | 1450 |
| WS-10040 | 1000 | 40 | 75.0 | 42 | 1450 |
| WS-28020 | 2800 | 20 | 110.0 | 50 | 1000 |
The winspan adopts mirror-polished solid ceramic plunger and self-lubricating sealing components to effectively prevent the pump body from dripping due to water particle wear.
The winspan optimizes the heat sink area and increases the amount of oil in the crankcase to ensure that the oil temperature of the pump body does not exceed the normal standard during continuous operation.
The winspan is equipped with a self-cleaning high-strength stainless steel one-way valve to prevent mineral scaling and ensure stable output water pressure.
Provide the pump body with flange, hollow shaft or solid shaft interface in accordance with international standards for equipment manufacturers, which is convenient for rapid integration and reduces the technical difficulty of assembly man-hours.
Provide a rich range of product specifications and sufficient spare parts reserves, provide reliable supply chain and quality assurance support, to help distributors quickly seize the end market.
Provide customized system pump sets with specific flow and pressure for heavy industry cleaning projects such as municipal sanitation, ship sand cleaning and pipeline dredging.
Provide high-pressure pump spare parts with standard specifications and can completely replace the mainstream brands in the market, ensure the adaptability of after-sales maintenance and reduce the maintenance cycle of customers.
Before starting up, check the oil level of the crankcase to the center line of the oil sight mirror, and replace the special lubricating oil after 50 hours of operation for the first time.
It is forbidden to idle without water, and the connected water flow speed and water supply must be greater than 1.5 times of the rated flow of the high-pressure pump.
Turn on the spray gun before starting, so that the water flow naturally out of the pump to eliminate excess air, and then start the power source.
A high-density filter of not less than 50 meshes must be installed at the water inlet, and the filter screen must be removed and cleaned every 30 hours of operation.
Wingspan Tech
